RE: NANFA-L-- Precipitate

Bruce Stallsmith (
Tue, 24 Jan 2006 23:38:05 -0500

I think you're seeing sodium thiosulfate in some kind of form. The
concentration of sodium thiosulfate in dechlor solutions is pretty high, and
I suspect that it is more of a thick syrup than a true solute. True chemists
may laugh-in-that description, but. . .

--Bruce Stallsmith
along the sunny Tennessee
Huntsville, AL, US of A

>From: "Crail, Todd" <tcrail-in-UTNet.UToledo.Edu>
>To: <>
>Subject: NANFA-L-- Precipitate
>Date: Tue, 24 Jan 2006 21:52:58 -0500
>Hi gang,
>Has anyone ever seen where a "precipitate" forms when too much dechlor has
>been added to a system? Alk and pH are fine.
>I think I've done this, and it seems like it's binding up with fats from
>food. You can watch it happen after the food has been put in. It looks
>I'm on stage-in-a rock concert. It's been going on like this for about 3
>weeks now, but with steady water changes using only a whole house filter
>of the $20 ones, and this time I'm counting gallons) to rid chlorine, and
>seems I'm finally getting back on the other side of the amount of reagents.
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